CVE-2021-34566

🗓️ 09 Nov 2022 16:15:10Reported by [email protected]Type

nvd

nvd🔗 web.nvd.nist.gov👁 19 Views

WAGO I/O-Check Service vulnerability in multiple product

Reporter	Title	Published	Views	Family All 11
CNNVD	WAGO 安全漏洞	9 Nov 202200:00	–	cnnvd
CVE	CVE-2021-34566	9 Nov 202215:17	–	cve
Cvelist	CVE-2021-34566 WAGO I/O-Check Service prone to Memory Overflow	9 Nov 202215:17	–	cvelist
EUVD	EUVD-2021-21216	7 Oct 202500:30	–	euvd
OSV	CVE-2021-34566	9 Nov 202216:15	–	osv
Prion	Design/Logic Flaw	9 Nov 202216:15	–	prion
Positive Technologies	PT-2022-10353 · Wago · Wago I/O-Check Service	9 Nov 202200:00	–	ptsecurity
Tenable Nessus	Wago I/O-Check Service Buffer Overflow (CVE-2021-34566)	14 Feb 202300:00	–	nessus
The Hacker News	Several New Critical Flaws Affect CODESYS Industrial Automation Software	21 Jul 202109:59	–	thn
ThreatPost	Industrial Networks Exposed Through Cloud OT	22 Jul 202117:46	–	threatpost

NVD

Node

wago 750-8100_firmwareRange<18

OR

wago 750-8100_firmwareMatch18-

OR

wago 750-8100_firmwareMatch18patch_1

OR

wago 750-8100_firmwareMatch18patch_2

AND

wago 750-8100Match-

Node

wago 750-8101_firmwareRange<18

OR

wago 750-8101_firmwareMatch18-

OR

wago 750-8101_firmwareMatch18patch_1

OR

wago 750-8101_firmwareMatch18patch_2

AND

wago 750-8101Match-

Node

wago 750-8101/025-000_firmwareRange<18

OR

wago 750-8101/025-000_firmwareMatch18-

OR

wago 750-8101/025-000_firmwareMatch18patch_1

OR

wago 750-8101/025-000_firmwareMatch18patch_2

AND

wago 750-8101/025-000Match-

Node

wago 750-8102_firmwareRange<18

OR

wago 750-8102_firmwareMatch18-

OR

wago 750-8102_firmwareMatch18patch_1

OR

wago 750-8102_firmwareMatch18patch_2

AND

wago 750-8102Match-

Node

wago 750-8102/025-000_firmwareRange<18

OR

wago 750-8102/025-000_firmwareMatch18-

OR

wago 750-8102/025-000_firmwareMatch18patch_1

OR

wago 750-8102/025-000_firmwareMatch18patch_2

AND

wago 750-8102/025-000Match-

Node

wago 750-8202_firmwareRange<18

OR

wago 750-8202_firmwareMatch18-

OR

wago 750-8202_firmwareMatch18patch_1

OR

wago 750-8202_firmwareMatch18patch_2

AND

wago 750-8202Match-

Node

wago 750-8202/000-011_firmwareRange<18

OR

wago 750-8202/000-011_firmwareMatch18-

OR

wago 750-8202/000-011_firmwareMatch18patch_1

OR

wago 750-8202/000-011_firmwareMatch18patch_2

AND

wago 750-8202/000-011Match-

Node

wago 750-8202/000-012_firmwareRange<18

OR

wago 750-8202/000-012_firmwareMatch18-

OR

wago 750-8202/000-012_firmwareMatch18patch_1

OR

wago 750-8202/000-012_firmwareMatch18patch_2

AND

wago 750-8202/000-012Match-

Node

wago 750-8202/000-022_firmwareRange<18

OR

wago 750-8202/000-022_firmwareMatch18-

OR

wago 750-8202/000-022_firmwareMatch18patch_1

OR

wago 750-8202/000-022_firmwareMatch18patch_2

AND

wago 750-8202/000-022Match-

Node

wago 750-8202/025-000_firmwareRange<18

OR

wago 750-8202/025-000_firmwareMatch18-

OR

wago 750-8202/025-000_firmwareMatch18patch_1

OR

wago 750-8202/025-000_firmwareMatch18patch_2

AND

wago 750-8202/025-000Match-

Node

wago 750-8202/025-001_firmwareRange<18

OR

wago 750-8202/025-001_firmwareMatch18-

OR

wago 750-8202/025-001_firmwareMatch18patch_1

OR

wago 750-8202/025-001_firmwareMatch18patch_2

AND

wago 750-8202/025-001Match-

Node

wago 750-8202/025-002_firmwareRange<18

OR

wago 750-8202/025-002_firmwareMatch18-

OR

wago 750-8202/025-002_firmwareMatch18patch_1

OR

wago 750-8202/025-002_firmwareMatch18patch_2

AND

wago 750-8202/025-002Match-

Node

wago 750-8202/040-000_firmwareRange<18

OR

wago 750-8202/040-000_firmwareMatch18-

OR

wago 750-8202/040-000_firmwareMatch18patch_1

OR

wago 750-8202/040-000_firmwareMatch18patch_2

AND

wago 750-8202/040-000Match-

Node

wago 750-8202/040-001_firmwareRange<18

OR

wago 750-8202/040-001_firmwareMatch18-

OR

wago 750-8202/040-001_firmwareMatch18patch_1

OR

wago 750-8202/040-001_firmwareMatch18patch_2

AND

wago 750-8202/040-001Match-

Node

wago 752-8303/8000-002_firmwareRange<18

OR

wago 752-8303/8000-002_firmwareMatch18-

OR

wago 752-8303/8000-002_firmwareMatch18patch_1

OR

wago 752-8303/8000-002_firmwareMatch18patch_2

AND

wago 752-8303/8000-002Match-

Node

wago 762-4101_firmwareRange<18

OR

wago 762-4101_firmwareMatch18-

OR

wago 762-4101_firmwareMatch18patch_1

OR

wago 762-4101_firmwareMatch18patch_2

AND

wago 762-4101Match-

Node

wago 762-4102_firmwareRange<18

OR

wago 762-4102_firmwareMatch18-

OR

wago 762-4102_firmwareMatch18patch_1

OR

wago 762-4102_firmwareMatch18patch_2

AND

wago 762-4102Match-

Node

wago 762-4103_firmwareRange<18

OR

wago 762-4103_firmwareMatch18-

OR

wago 762-4103_firmwareMatch18patch_1

OR

wago 762-4103_firmwareMatch18patch_2

AND

wago 762-4103Match-

Node

wago 762-4104_firmwareRange<18

OR

wago 762-4104_firmwareMatch18-

OR

wago 762-4104_firmwareMatch18patch_1

OR

wago 762-4104_firmwareMatch18patch_2

AND

wago 762-4104Match-

Node

wago 762-4201/8000-001_firmwareRange<18

OR

wago 762-4201/8000-001_firmwareMatch18-

OR

wago 762-4201/8000-001_firmwareMatch18patch_1

OR

wago 762-4201/8000-001_firmwareMatch18patch_2

AND

wago 762-4201/8000-001Match-

Node

wago 762-4202/8000-001_firmwareRange<18

OR

wago 762-4202/8000-001_firmwareMatch18-

OR

wago 762-4202/8000-001_firmwareMatch18patch_1

OR

wago 762-4202/8000-001_firmwareMatch18patch_2

AND

wago 762-4202/8000-001Match-

Node

wago 762-4203/8000-001_firmwareRange<18

OR

wago 762-4203/8000-001_firmwareMatch18-

OR

wago 762-4203/8000-001_firmwareMatch18patch_1

OR

wago 762-4203/8000-001_firmwareMatch18patch_2

AND

wago 762-4203/8000-001Match-

Node

wago 762-4204/8000-001_firmwareRange<18

OR

wago 762-4204/8000-001_firmwareMatch18-

OR

wago 762-4204/8000-001_firmwareMatch18patch_1

OR

wago 762-4204/8000-001_firmwareMatch18patch_2

AND

wago 762-4204/8000-001Match-

Node

wago 762-4205/8000-001_firmwareRange<18

OR

wago 762-4205/8000-001_firmwareMatch18-

OR

wago 762-4205/8000-001_firmwareMatch18patch_1

OR

wago 762-4205/8000-001_firmwareMatch18patch_2

AND

wago 762-4205/8000-001Match-

Node

wago 762-4205/8000-002_firmwareRange<18

OR

wago 762-4205/8000-002_firmwareMatch18-

OR

wago 762-4205/8000-002_firmwareMatch18patch_1

OR

wago 762-4205/8000-002_firmwareMatch18patch_2

AND

wago 762-4205/8000-002Match-

Node

wago 762-4206/8000-001_firmwareRange<18

OR

wago 762-4206/8000-001_firmwareMatch18-

OR

wago 762-4206/8000-001_firmwareMatch18patch_1

OR

wago 762-4206/8000-001_firmwareMatch18patch_2

AND

wago 762-4206/8000-001Match-

Node

wago 762-4206/8000-002_firmwareRange<18

OR

wago 762-4206/8000-002_firmwareMatch18-

OR

wago 762-4206/8000-002_firmwareMatch18patch_1

OR

wago 762-4206/8000-002_firmwareMatch18patch_2

AND

wago 762-4206/8000-002Match-

Node

wago 762-4301/8000-002_firmwareRange<18

OR

wago 762-4301/8000-002_firmwareMatch18-

OR

wago 762-4301/8000-002_firmwareMatch18patch_1

OR

wago 762-4301/8000-002_firmwareMatch18patch_2

AND

wago 762-4301/8000-002Match-

Node

wago 762-4302/8000-002_firmwareRange<18

OR

wago 762-4302/8000-002_firmwareMatch18-

OR

wago 762-4302/8000-002_firmwareMatch18patch_1

OR

wago 762-4302/8000-002_firmwareMatch18patch_2

AND

wago 762-4302/8000-002Match-

Node

wago 762-4303/8000-002_firmwareRange<18

OR

wago 762-4303/8000-002_firmwareMatch18-

OR

wago 762-4303/8000-002_firmwareMatch18patch_1

OR

wago 762-4303/8000-002_firmwareMatch18patch_2

AND

wago 762-4303/8000-002Match-

Node

wago 762-4304/8000-002_firmwareRange<18

OR

wago 762-4304/8000-002_firmwareMatch18-

OR

wago 762-4304/8000-002_firmwareMatch18patch_1

OR

wago 762-4304/8000-002_firmwareMatch18patch_2

AND

wago 762-4304/8000-002Match-

Node

wago 762-4305/8000-002_firmwareRange<18

OR

wago 762-4305/8000-002_firmwareMatch18-

OR

wago 762-4305/8000-002_firmwareMatch18patch_1

OR

wago 762-4305/8000-002_firmwareMatch18patch_2

AND

wago 762-4305/8000-002Match-

Node

wago 762-4306/8000-002_firmwareRange<18

OR

wago 762-4306/8000-002_firmwareMatch18-

OR

wago 762-4306/8000-002_firmwareMatch18patch_1

OR

wago 762-4306/8000-002_firmwareMatch18patch_2

AND

wago 762-4306/8000-002Match-

Node

wago 762-5203/8000-001_firmwareRange<18

OR

wago 762-5203/8000-001_firmwareMatch18-

OR

wago 762-5203/8000-001_firmwareMatch18patch_1

OR

wago 762-5203/8000-001_firmwareMatch18patch_2

AND

wago 762-5203/8000-001Match-

Node

wago 762-5204/8000-001_firmwareRange<18

OR

wago 762-5204/8000-001_firmwareMatch18-

OR

wago 762-5204/8000-001_firmwareMatch18patch_1

OR

wago 762-5204/8000-001_firmwareMatch18patch_2

AND

wago 762-5204/8000-001Match-

Node

wago 762-5205/8000-001_firmwareRange<18

OR

wago 762-5205/8000-001_firmwareMatch18-

OR

wago 762-5205/8000-001_firmwareMatch18patch_1

OR

wago 762-5205/8000-001_firmwareMatch18patch_2

AND

wago 762-5205/8000-001Match-

Node

wago 762-5206/8000-001_firmwareRange<18

OR

wago 762-5206/8000-001_firmwareMatch18-

OR

wago 762-5206/8000-001_firmwareMatch18patch_1

OR

wago 762-5206/8000-001_firmwareMatch18patch_2

AND

wago 762-5206/8000-001Match-

Node

wago 762-5303/8000-002_firmwareRange<18

OR

wago 762-5303/8000-002_firmwareMatch18-

OR

wago 762-5303/8000-002_firmwareMatch18patch_1

OR

wago 762-5303/8000-002_firmwareMatch18patch_2

AND

wago 762-5303/8000-002Match-

Node

wago 762-5304/8000-002_firmwareRange<18

OR

wago 762-5304/8000-002_firmwareMatch18-

OR

wago 762-5304/8000-002_firmwareMatch18patch_1

OR

wago 762-5304/8000-002_firmwareMatch18patch_2

AND

wago 762-5304/8000-002Match-

Node

wago 762-5305/8000-002_firmwareRange<18

OR

wago 762-5305/8000-002_firmwareMatch18-

OR

wago 762-5305/8000-002_firmwareMatch18patch_1

OR

wago 762-5305/8000-002_firmwareMatch18patch_2

AND

wago 762-5305/8000-002Match-

Node

wago 762-5306/8000-002_firmwareRange<18

OR

wago 762-5306/8000-002_firmwareMatch18-

OR

wago 762-5306/8000-002_firmwareMatch18patch_1

OR

wago 762-5306/8000-002_firmwareMatch18patch_2

AND

wago 762-5306/8000-002Match-

Node

wago 762-6201/8000-001_firmwareRange<18

OR

wago 762-6201/8000-001_firmwareMatch18-

OR

wago 762-6201/8000-001_firmwareMatch18patch_1

OR

wago 762-6201/8000-001_firmwareMatch18patch_2

AND

wago 762-6201/8000-001Match-

Node

wago 762-6202/8000-001_firmwareRange<18

OR

wago 762-6202/8000-001_firmwareMatch18-

OR

wago 762-6202/8000-001_firmwareMatch18patch_1

OR

wago 762-6202/8000-001_firmwareMatch18patch_2

AND

wago 762-6202/8000-001Match-

Node

wago 762-6203/8000-001_firmwareRange<18

OR

wago 762-6203/8000-001_firmwareMatch18-

OR

wago 762-6203/8000-001_firmwareMatch18patch_1

OR

wago 762-6203/8000-001_firmwareMatch18patch_2

AND

wago 762-6203/8000-001Match-

Node

wago 762-6204/8000-001_firmwareRange<18

OR

wago 762-6204/8000-001_firmwareMatch18-

OR

wago 762-6204/8000-001_firmwareMatch18patch_1

OR

wago 762-6204/8000-001_firmwareMatch18patch_2

AND

wago 762-6204/8000-001Match-

Node

wago 762-6301/8000-002_firmwareRange<18

OR

wago 762-6301/8000-002_firmwareMatch18-

OR

wago 762-6301/8000-002_firmwareMatch18patch_1

OR

wago 762-6301/8000-002_firmwareMatch18patch_2

AND

wago 762-6301/8000-002Match-

Node

wago 762-6302/8000-002_firmwareRange<18

OR

wago 762-6302/8000-002_firmwareMatch18-

OR

wago 762-6302/8000-002_firmwareMatch18patch_1

OR

wago 762-6302/8000-002_firmwareMatch18patch_2

AND

wago 762-6302/8000-002Match-

Node

wago 762-6303/8000-002_firmwareRange<18

OR

wago 762-6303/8000-002_firmwareMatch18-

OR

wago 762-6303/8000-002_firmwareMatch18patch_1

OR

wago 762-6303/8000-002_firmwareMatch18patch_2

AND

wago 762-6303/8000-002Match-

Node

wago 762-6304/8000-002_firmwareRange<18

OR

wago 762-6304/8000-002_firmwareMatch18-

OR

wago 762-6304/8000-002_firmwareMatch18patch_1

OR

wago 762-6304/8000-002_firmwareMatch18patch_2

AND

wago 762-6304/8000-002Match-

Source	Link
cert	www.cert.vde.com/en/advisories/VDE-2020-036/

17 Jun 2026 03:56Current

CVSS 3.19.1

EPSS0.01036

wago i/o-check service vulnerability remote attacker os commands memory integrity dos